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#335248 10/25/25 11:10 AM
Joined: Aug 2007
Posts: 17
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Been years, but gathering parts to get my 67 back road worthy.

It does NOT have a 67 axle under it, but was wondering, how well do the radius rods work, traction wise?

I know I can buy CalTracs, but they are not the look I’m after, which is more of a Day 2 car.

Looking at the 3 leaf, mono leaf replacement springs. Other than wheel hop, can the radius rods be used to help (tuned) to help with traction, for a sleeper car?

Thanks

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Virgil #335249 10/25/25 09:08 PM
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Need more of a description of the car
Engine?
Trans?
you just running standard radial tires?


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Virgil #335250 10/25/25 11:55 PM
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Just a 546hp NA pump gas motor (turned out better than expected, as was only looking for about 480). Original plan was either a 2004r or 700r4, but figure I’ll do a 4L80 now, that I already have.

Yes, radial tires, as it will be close to a daily driver, as I’m reinstalling the factory ac etc

Car is a coupe, but getting full convertible rockers to help stiffen it up some. Needs rockers, and will install a full floor. Unsure if I will reinstall the subframe connectors. If I do, will be a different style that don’t hang as low as the ones on it.

Last edited by Virgil; 10/25/25 11:58 PM.
Virgil #335254 11/01/25 09:25 AM
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Its going to smoke the tires no matter what you do
Trying to fit those factory control arms on a car that didn't come with them is a chore.


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bigchief #335262 11/15/25 01:17 PM
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It is a lot of work. But could be very much worth it. I had a 1967 Firebird 400 HO parts car. It had both traction arms. My buddy swapped the entire mess onto his 1968 Firebird 400 hard top. We adapted it all to an 8.5 second gen rear with multi leafs. With the 068 cam and a Muncie he was able to pop the front wheels off the ground. Those traction bars just planted the rear solidly.

I kept that rear and now it is in my 1968 convertible project. I am trying to combine the traction bar floor supports with the roll bar supports. It looks easy but is turning out to be a huge PITA. But if you are doing stuff like rockers, the traction bar supports should be no big deal.

Virgil #335281 11/27/25 12:39 AM
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A couple of years ago I put my 67 back to the original configuration with a 67 rear end and the stock two traction bar setup. It had a 69 rear end when I got it. I really like it this way.


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